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/*
* Security xattr support for devpts.
*
* Author: Stephen Smalley <sds@epoch.ncsc.mil>
* Copyright (c) 2004 Red Hat, Inc., James Morris <jmorris@redhat.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*/
#include <linux/string.h>
#include <linux/fs.h>
#include <linux/security.h>
#include <linux/xattr.h>
static size_t
devpts_xattr_security_list(struct inode *inode, char *list, size_t list_len,
const char *name, size_t name_len)
{
return security_inode_listsecurity(inode, list, list_len);
}
static int
devpts_xattr_security_get(struct inode *inode, const char *name,
void *buffer, size_t size)
{
if (strcmp(name, "") == 0)
return -EINVAL;
return security_inode_getsecurity(inode, name, buffer, size);
}
static int
devpts_xattr_security_set(struct inode *inode, const char *name,
const void *value, size_t size, int flags)
{
if (strcmp(name, "") == 0)
return -EINVAL;
return security_inode_setsecurity(inode, name, value, size, flags);
}
struct xattr_handler devpts_xattr_security_handler = {
.prefix = XATTR_SECURITY_PREFIX,
.list = devpts_xattr_security_list,
.get = devpts_xattr_security_get,
.set = devpts_xattr_security_set,
};
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